Author: andres

Synchronize a model from a live database to Enterprise Architect. Select your database from the Database Model folder in Project Browser. Go to Tools > Database Builder Right click on Tables > Show Differences. We can also click on a different type of object. a. An active connection is needed to complete the previous step. …

Run Pentaho Data Integration on Mac OSX. The following procedure works with all the latest OSX versions. My local configuration OSX Mojave OpenJDK 11 Procedure Download pdi-ce-8.1.0.0-365.zip from https://sourceforge.net/projects/pentaho/ Unzip it Using the terminal, cd into the unzipped directory Run the application open Data\ Integration.app If you get the following error: LSOpenURLsWithRole() failed with error …

So far I have really liked this concept. The only con is that some times is difficult to find full examples that use the latest version. Installing sbt We need sbt for compiling and running Play applications. brew install sbt@1 Executing a first application Check the tutorials page to see how to create a first …

Password screens are challenging for users because we often ask them to enter complex strings which most times are not even able to see. Adding to it, these strings have to meet different criteria – like having upper and lower case characters, numbers and so on – to keep our applications secure. In this post, …

From time to time it is necessary to execute a query without using Java’s JPA infrastructure. In order to do it, we have to define a NamedQuery to execute. In this example, I will run an update against the database. @Entity @NamedQueries ({ @NamedQuery ( name = "SomeEntity.TestQuery", query = "update SomeEntity se set se.myField …

Today I bring an example of the different results you can expect when using Java’s BigDecimal class. From instantiation to applying different arithmetic operations, it is important to understand how they affect the resulting instances. The following program shows different scenarios and results applied to BigDecimal’s. package test; import java.math.BigDecimal; import java.math.RoundingMode; public class Test …

Reading a file name parameter from the command line is a common task. In this post I read a file name and validate it exists. For paths and file names that include spaces, you have to pass them between quotes, otherwise they will be interpreted by the operating system as two different parameters. #include <string> …

Here is an easy solution to passing parameters to a C++ application from the command line that does not require any external libraries. Since parameters are read inside a loop, the order in which they are passed is not important. #include <string> #include <iostream> int main(int argc, char* argv[]) { for (int i = 1; …

Netbeans is one of my beloved day to day applications. Yesterday, when I installed Ubuntu 15.10 (Wily Werewolf) on my computer, Netbeans started to hang on the startup screen, specifically at the Loading Modules phase. It took me hours looking for solutions on the internet; and reinstalling different versions of the Java Development Framework didn’t …

Hello, This time I write to ask you for your support. We’re developing a website for small business owners in the City of Queretaro, Mexico. The website will allow the proprietors have presence on the Internet. Many of these people do not have the resources for starting a website and we want to help them. …